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Change the following distribution to a ‘more than type’ distribution. Hence draw the ‘more than type’ ogive for this distribution.

Class

Interval:

20-30 30-40 40-50 50-60 60-70 70-80 80-90
Frequency: 10 8 12 24 6 25 15

 

 
 
 
 
 

Answers (1)

Class Interval Cumulative Frequency
More than or equal to 20 100
More than or equal to 30 90
More than or equal to 40 82
More than or equal to 50 70
More than or equal to 60 46
More than or equal to 70 40
More than or equal to 80 15

Plot the points (20,100), (30,90), (40,82), (50,70), (60,46), (70, 40) and (80,15).

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Safeer PP

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